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Ten Things You Maybe Didn't Know About the US Quart

1. The US quart is equal to 1/4 of a gallon

The US quart is a common measurement for liquids, and it’s exactly 1/4 of a gallon, which is 4 quarts per gallon. Simple and easy to remember, right?

2. It’s equivalent to 32 US fluid ounces

If you’ve ever wondered how many fluid ounces are in a quart, the answer is 32. This makes the quart a convenient unit for both cooking and liquid volume measurements in the US.

3. Used widely in cooking and beverages

The quart is frequently used in recipes, especially for larger liquid measurements, like milk or broth. It’s also common in beverage sizes, such as a quart of juice or iced tea.

4. Different from the UK quart

Don’t confuse the US quart with the UK quart! While they share the same name, the US quart is smaller, measuring 32 US fluid ounces, while the UK quart measures 40 UK fluid ounces. It’s an example of how two similar units can differ internationally.

5. A practical size for household measurements

The quart strikes a nice balance between too large and too small, making it useful for a variety of everyday tasks. Whether you're measuring liquids for a recipe or filling a container, a quart is often just the right size.

6. Used in the automotive industry

In the automotive world, quarts are often used to measure things like engine oil and coolant. For example, a car’s engine may require 5 quarts of oil, so the quart is a handy unit in car maintenance too.

7. Quarts are commonly used in the US for milk

In many grocery stores across the US, milk is sold in quart-sized containers, especially for smaller households. It’s a practical amount, not too much and not too little, so it doesn’t go to waste.

8. The US quart is part of the Imperial system

The quart belongs to the Imperial system of measurements, which is still used in the US today. Although the metric system is more widely used globally, quarts remain common in the US, particularly for everyday household items.

9. Sometimes used in dry measurements

Although quarts are typically used for liquids, they can also measure dry ingredients like fruits, vegetables, or grains. However, be careful: dry quarts and liquid quarts don’t always measure out the same weight due to the different densities of solids and liquids.

10. The quart is also part of the US custom of "quart to pint" division

In the US, the quart is closely tied to pints. One quart equals 2 pints, and this makes it easy to scale measurements up or down, like when you need a pint of cream for a recipe and you only have quarts.